engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) Quantitative Aptitude Algebra Polynomials
If for two real constant a and b, the expression ax3 + 3x2 – 8x + b is exactly divisible by (x + 2) and (x – 2), then?
1
a = 2, b = 12
2
a = 12, b = 2
3
a = 2, b = -12
4
a = -2, b = 12